December weather forecast
Springfield, SD

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Weather in December

December in Springfield, South Dakota, dons the winter mantle, enveloping the city in chilly winds and a constant blanket of snow. With only 9.1 hours of daylight and average temperatures ranging from 18.3°F (-7.6°C) to 30.4°F (-0.9°C), December is markedly cold. Regular snowfall adds to the scenic beauty of the city, ensuring a white Christmas almost every year. The city remains mostly under cloud cover, creating a picture-perfect winter setting. With the transition into a new year, January promises to continue the winter pattern marked by a drop in temperature and a rise in snowfalls.

Temperature

Springfield experiences a clear temperature downturn in December, with average high-temperatures moving from a frosty 46.4°F (8°C) in November to a subzero cold 30.4°F (-0.9°C). Throughout the month of December, Springfield observes an average nighttime temperature of 18.3°F (-7.6°C).

Humidity

The average relative humidity in December in Springfield is 81%.

Rainfall

In December, in Springfield, the rain falls for 3.1 days. Throughout December, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 104.1 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Springfield, during December, snow falls for 6.5 days and regularly aggregates up to 1.22" (31mm) of snow. In Springfield, during the entire year, snow falls for 32.8 days and aggregates up to 8.35" (212mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Springfield.
On the first day of December in Springfield, South Dakota, sunrise is at 7:43 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:07 pm CST.

Sunshine

In Springfield, the average sunshine in December is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in December leads to these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

How cold is December in Springfield?

The average high-temperature and low-temperature during December are 30.4°F (-0.9°C) and 18.3°F (-7.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Springfield?

In Springfield, South Dakota, the average relative humidity in December is 81%.

How many days does it rain in December in Springfield?

In December, the rain falls for 3.1 days. Throughout December, 0.59" (15mm) of precipitation is accumulated.

How much does it snow in Springfield in December?

In Springfield, South Dakota, in December, snow falls for 6.5 days, with typically accumulated 1.22" (31mm) of snow.

What is the month with the shortest days in Springfield?

December has the shortest days of the year in Springfield, with an average of 9h and 6min of daylight.

How many hours of daylight does Springfield have in December?

The average day length in December in Springfield is 9h and 5min.

What time are sunrise and sunset in December in Springfield?

In December, on the first day of the month, sunrise is at 7:43 am and sunset at 4:58 pm. On the last day of the month, in Springfield, South Dakota, sunrise is at 8:02 am and sunset at 5:07 pm CST.

How long on average sun shines in December in Springfield?

In December, the average sunshine duration in Springfield, South Dakota, is 4.9h.

When is the lowest UV index in Springfield?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Springfield.

How high is the UV index in December in Springfield?

The average daily maximum UV index in December in Springfield is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Springfield, SD

Average temperature in December - Springfield, SD
  • Average high temperature in December: 30.4°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (27.3°F).

  • Average low temperature in December: 18.3°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).

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Average pressure in December
Springfield, SD

Average pressure in December - Springfield, SD
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Springfield, SD

Average wind speed in December - Springfield, SD
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in December
Springfield, SD

Average humidity in December - Springfield, SD
  • Average humidity in December: 81%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (62%).

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Average rainfall in December
Springfield, SD

Average rainfall in December - Springfield, SD
  • Average rainfall in December: 0.59"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.31").

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Average rainfall days in December
Springfield, SD

Average rainfall days in December - Springfield, SD
  • Average rainfall days in December: 3.1 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (2.9 days).

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Average snowfall in December
Springfield, SD

Average snowfall in December - Springfield, SD
  • Average snowfall in December: 1.22"

The months with the highest snowfall are January and March (1.93").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Springfield, SD

Average snowfall days in December - Springfield, SD
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Springfield, SD

Average daylight in December / Average sunshine in December - Springfield, SD
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in December
Springfield, SD

Average sunshine days in December - Springfield, SD
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.3 days).

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Average UV index in December
Springfield, SD

Average UV index in December - Springfield, SD
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Springfield, SD

Average cloud cover in December - Springfield, SD
  • Average cloud cover in December: 46

The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 23).

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Average visibility in December
Springfield, SD

Average visibility in December - Springfield, SD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Springfield, South Dakota, USA

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